PERIODIC TABLE

METALS

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• Generally shiny
• Easily pulled into wires or hammered into sheets
• Good conductor of electricity

TIN

• Stays shiny forever
• Easy to melt
• It can merge from silvery metal Godard gray powder

NONMETALS

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• No metallic properties
• Gases at room temperature
• Poor conductors

OXYGEN

• Most abundant element on Earth
• Atmosphere is 21% oxygen
• Nearly half the weight of Earths crust

METALLOID

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• Physical and chemical properties of metals and nonmetals
• Ability to act as a semiconductor
• At high temperature they like metals and conduct electricity, but at lower temperatures the act like nonmetals and do not conduct electricity

SILICON

• Seventh most abundant element in the universe
• About 25% of the Earths crust is silicon
• Mostly found linked up with a pair of oxygen molecules, such as silicon dioxide